Experts say probiotic capsules may help in some cases, but they are unlikely to permanently reshape your gut microbiome.

Cellular reprogramming is the hottest topic in longevity science, with tech titans like Sam Altman investing in it. It's now being tested in humans.

Promising mouse studies and billions of dollars in funding are stoking excitement. But we’ve been here before. Earlier this week, Life Biosciences, a biotech company focused on reversing age-related ...